<?php

class ImageController extends Controller {

    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column1';

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
            'postOnly + delete', // we only allow deletion via POST request
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow', // allow all users to perform 'index' and 'view' actions
                'actions' => array('index', 'view'),
                'users' => array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array('create', 'update', 'upload', 'loadImageServer', 'delImage', 'album', 'gallery'),
                'users' => array('@'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array('admin', 'delete'),
                'users' => array('admin'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id) {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new Image;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Image'])) {
            $model->attributes = $_POST['Image'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->id));
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = $this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Image'])) {
            $model->attributes = $_POST['Image'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->id));
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        $this->loadModel($id)->delete();

        // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
        if (!isset($_GET['ajax']))
            $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $dataProvider = new CActiveDataProvider('Image');
        $this->render('index', array(
            'dataProvider' => $dataProvider,
        ));
    }

    /**
     * Manages all models.
     */
    public function actionAdmin() {
        $model = new Image('search');
        $model->unsetAttributes();  // clear any default values
        if (isset($_GET['Image']))
            $model->attributes = $_GET['Image'];

        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer $id the ID of the model to be loaded
     * @return Image the loaded model
     * @throws CHttpException
     */
    public function loadModel($id) {
        $model = Image::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param Image $model the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'image-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

    public function actionUpload() {
        $DS = '/';

        $storeFolder = 'uploads/album';

        if (!empty($_FILES)) {

            if (!$_FILES['file']['error']) {

                // get album_id from form and get model album from id
                $album_id = $_POST['album_id'];

                $album_name = $_POST['album_name'];

                $tempFile = $_FILES['file']['tmp_name'];


                $targetPath = Yii::getPathOfAlias('webroot') . $DS . $storeFolder . $DS;

                if (!is_dir($targetPath . $album_id)) {
                    mkdir($targetPath . $album_id);
                    // the default implementation makes it under 777 permission, which you could possibly change recursively before deployment, but here's less of a headache in case you don't
                }
                $time = time();
                $targetFile = Common::strToLower($targetPath . $album_id . $DS . $time . "_" . $_FILES['file']['name']);

                $image = new Image;

                // check exist record  image
                $check = $image->exists('name=:name', array(':name' => $_FILES['file']['name']));
                if (!$check) {
                    $image->name = $time . "_" . $_FILES['file']['name'];
                    $image->path = Common::strToLower($storeFolder . $DS . $album_id . $DS . $image->name);
                    $image->album_id = $album_id;
                    $image->save();
                    move_uploaded_file($tempFile, $targetFile);
                }
            }
        }
        if (isset($_GET['album_id'])) {
            $album_id = $_GET['album_id'];
            $album_name = $this->getAlbumName($album_id);
        }



        $this->render('upload', array(
            'album_id' => $album_id,
            'album_name' => $album_name
        ));
    }

    public function actionLoadImageServer() {
        $DS = '/';
        $albumImages = $result = array();
        
		$album_id = $_GET['album_id'];
		
		$images = Image::model()->with(array(
			'album' => array('condition' => 'album_id = '.$album_id),
		))->findAll();
		foreach ($images as $image) {
			$albumImages[] = $image->name;
		}

		$storeFolder = "uploads/album/$album_id";

        $files = scandir($storeFolder);

        if (false !== $files) {
            foreach ($files as $file) {
                if ('.' != $file && '..' != $file) {
                	if (in_array($file, $albumImages)) {
                		$obj['name'] = $file;
                    	$obj['size'] = filesize($storeFolder . $DS . $file);
                    	$result[] = $obj;
                	}
                }
            }
        }

        header('Content-type: text/json');
        header('Content-type: application/json');
        echo json_encode($result);
    }

    public function actionDelImage() {
        $DS = '/';

        //$storeFolder = 'uploads/album';
        $storeFolder = 'uploads/album';
        $targetPath = Yii::getPathOfAlias('webroot') . $DS . $storeFolder . $DS;

        $targetFile = $targetPath . $_POST['path'];
        Image::model()->deleteAll('name ="' . $_POST['name'] . '"');

        unlink($targetFile);
    }

    public function actionGallery() {
        $mGallery = Gallery::model()->findAll();
        $this->render('gallery', array(
            'mGallery' => $mGallery
        ));
    }

    public function actionAlbum() {
        $gallery_id = $_GET['gallery_id'];
        $mAlbum = Album::model()->findAllByAttributes(array('gallery_id' => $gallery_id));


        $this->render('album', array(
            'mAlbum' => $mAlbum,
        ));
    }

    public function getAlbumName($id) {
        $mAlbum = Album::model()->findByPk($id);
        return $mAlbum->name;
    }

}
